55 How To Prime A Motorcycle Fuel Pump
There should be a prime switch located on the fuel pump line. Does ur fuel pump prime.
1970 S Honda Motorcycle
To get to know if there are closed or open loops between the fuel pump and relay connect the digital multimeter to the positive and negative stand on the fuel pump.
55 how to prime a motorcycle fuel pump. The amount will vary by carburetor and engine but 70 ml should be enough for most carbs. Check for closed or open loops. The Fuel Pump is Pumping.
I put it back in and tested the bike as I had with every other part I checked and bam the pump started primingwhtfu. You can prime the fuel pump a couple of times but do not leave it in the on position. Run causes fuel to be pumped.
I go to fire her up and ride to work this morning and i notice that the fuel pump didnt prime when i turned the ignition on and it says check down where the temp is like if I had the kill switch off. Does prime when hardwired Kill switch is on. No tip over sensor as its a no fairing bike and I have the bypass done correctly because it was running before.
Fill an eyedropper with gasoline from the container. When I turn the key everything lights up and the engine will turn over when I hit the starter but there is no sound of the fuel pump priming and the bike wont start. Being 2006 USA model Checked for melted connections all looks good.
She turns over just doesnt fire. You can also give soap and hot water a go as well as a. No you should see battery voltage 12 volts at the fuel pump on between the black yellow wire and the orange blue wire for a short duration for the prime and then once the engine is cranking or started the lower voltage is the reference for the fuel gauge sender.
Also make a point to listen closely to the fuel pump. I then realized the starter relay is two parts the relay is for the starter but the fuses are the fuel injection fuses dont know how removing. Generally you can get a rebuild kit pump diaphragm and replacement gasket for between the petcockpump and the tank for 20 or so and be good to go.
You already checked the fuses so that is good. The manual is filled with info on reprogramming and resetting everything except for this. Purchased a used fuel pump and tried that bad boy but again nothing.
If it was working fine then it still should be. It was running fine before that. PRIME switches you back to a gravity feed off the bottom of the tank in such case as your fuel pump has failed.
When kill switch is off starter doesnt crank. I ran Chevron Techron through a few tanks during the trip to clear up a runnability issue. Im just going to rip it out tomorrow afternoon.
Check and make sure the battery has good voltage and is connected. Just no fuel pump prime. Put the tank back on and now fuel pump wont prime.
And it is definetly wired into my fuel pump. When we manually ground the BrY wire the fuel cut off relay clicks although the fuel pump does not prime. But sometimes there are gremlins though.
I assure you the kill switch was in run or on and still nothing. Any help I am totally lost. But I wonder if it could have affected the pump negatively in some way.
Say your switch is off you put ur key in and turn to on no prime wait like 3-5 seconds then flip the kill switch to on. Try to push the sediment out and further into the strainer. Wow I was starting to go crazy with thing.
Make sure the fuel pump is connected. Squirt the eyedropper full of gas into the fuel bowl vent and repeat this procedure at least 10 times per fuel bowl for a total of 70 milliliters with a 7 ml eyedropper. The circuit here should be a closed-loop with no loss of voltage between the terminals.
Then I remembered that when I was jumping the bike with the tank partially removed I touch the tank to positive battery lead jumper cable and got a poof of smoke by the wiring behind involving the fuel pump. After sitting for two days all of a sudden the fuel pump wont prime. Flip the switch to prime the fuel pump.
Fuel pump does not prime with key. Yes the kill switch is off. Step 3 - Close the Hood and Clean Up.
Eventually I removed the fuse from the starter relay and tested it it was good. On most bikes these days with diaphragm-type fuel pumps the pump will prime itself every time you power the motorcycle up. Not a dead battery.
When we manually connect the Br and BlW wires to the fuel cut off relay the fuel pump primes. Checked my relays checked all the basics I could think of. Cleaning air filter checking plugs the usual.
That helped so not all is bad. So Put the fuel line into a bucket turned key to on and nothing. With the ignition key ON then flip the engine cut-off switch on your handlebar to the ON position.
Not a chip key ignition only has two wires. Washed her and put her in the garage for about a week and a half. The engine will attempt to turn over and all the other electronics work.
When I release the starter the. I guess disconnecting the battery before the main harness to the alarm caused it to trigger but I have no idea how to reset it. Take the strainer off the pump and hit it with contact cleaner from the inside.
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